1 if( WIN32 AND NOT CYGWIN )
2 # We consider Cygwin as another Unix
6 include(CheckIncludeFile)
7 include(CheckLibraryExists)
8 include(CheckSymbolExists)
9 include(CheckFunctionExists)
10 include(CheckCXXSourceCompiles)
11 include(TestBigEndian)
13 if( UNIX AND NOT BEOS )
14 # Used by check_symbol_exists:
15 set(CMAKE_REQUIRED_LIBRARIES m)
18 # Helper macros and functions
19 macro(add_cxx_include result files)
21 foreach (file_name ${files})
22 set(${result} "${${result}}#include<${file_name}>\n")
24 endmacro(add_cxx_include files result)
26 function(check_type_exists type files variable)
27 add_cxx_include(includes "${files}")
28 CHECK_CXX_SOURCE_COMPILES("
29 ${includes} ${type} typeVar;
37 check_include_file(argz.h HAVE_ARGZ_H)
38 check_include_file(assert.h HAVE_ASSERT_H)
39 check_include_file(ctype.h HAVE_CTYPE_H)
40 check_include_file(dirent.h HAVE_DIRENT_H)
41 check_include_file(dl.h HAVE_DL_H)
42 check_include_file(dld.h HAVE_DLD_H)
43 check_include_file(dlfcn.h HAVE_DLFCN_H)
44 check_include_file(errno.h HAVE_ERRNO_H)
45 check_include_file(execinfo.h HAVE_EXECINFO_H)
46 check_include_file(fcntl.h HAVE_FCNTL_H)
47 check_include_file(inttypes.h HAVE_INTTYPES_H)
48 check_include_file(limits.h HAVE_LIMITS_H)
49 check_include_file(link.h HAVE_LINK_H)
50 check_include_file(malloc.h HAVE_MALLOC_H)
51 check_include_file(malloc/malloc.h HAVE_MALLOC_MALLOC_H)
52 check_include_file(memory.h HAVE_MEMORY_H)
53 check_include_file(ndir.h HAVE_NDIR_H)
54 if( NOT PURE_WINDOWS )
55 check_include_file(pthread.h HAVE_PTHREAD_H)
57 check_include_file(setjmp.h HAVE_SETJMP_H)
58 check_include_file(signal.h HAVE_SIGNAL_H)
59 check_include_file(stdint.h HAVE_STDINT_H)
60 check_include_file(stdio.h HAVE_STDIO_H)
61 check_include_file(stdlib.h HAVE_STDLIB_H)
62 check_include_file(string.h HAVE_STRING_H)
63 check_include_file(strings.h HAVE_STRINGS_H)
64 check_include_file(sys/dir.h HAVE_SYS_DIR_H)
65 check_include_file(sys/dl.h HAVE_SYS_DL_H)
66 check_include_file(sys/ioctl.h HAVE_SYS_IOCTL_H)
67 check_include_file(sys/mman.h HAVE_SYS_MMAN_H)
68 check_include_file(sys/ndir.h HAVE_SYS_NDIR_H)
69 check_include_file(sys/param.h HAVE_SYS_PARAM_H)
70 check_include_file(sys/resource.h HAVE_SYS_RESOURCE_H)
71 check_include_file(sys/stat.h HAVE_SYS_STAT_H)
72 check_include_file(sys/time.h HAVE_SYS_TIME_H)
73 check_include_file(sys/types.h HAVE_SYS_TYPES_H)
74 check_include_file(sys/uio.h HAVE_SYS_UIO_H)
75 check_include_file(sys/wait.h HAVE_SYS_WAIT_H)
76 check_include_file(termios.h HAVE_TERMIOS_H)
77 check_include_file(unistd.h HAVE_UNISTD_H)
78 check_include_file(utime.h HAVE_UTIME_H)
79 check_include_file(valgrind/valgrind.h HAVE_VALGRIND_VALGRIND_H)
80 check_include_file(windows.h HAVE_WINDOWS_H)
81 check_include_file(fenv.h HAVE_FENV_H)
82 check_include_file(mach/mach.h HAVE_MACH_MACH_H)
83 check_include_file(mach-o/dyld.h HAVE_MACH_O_DYLD_H)
86 if( NOT PURE_WINDOWS )
87 check_library_exists(pthread pthread_create "" HAVE_LIBPTHREAD)
89 check_library_exists(pthread pthread_getspecific "" HAVE_PTHREAD_GETSPECIFIC)
90 check_library_exists(pthread pthread_rwlock_init "" HAVE_PTHREAD_RWLOCK_INIT)
91 check_library_exists(pthread pthread_mutex_lock "" HAVE_PTHREAD_MUTEX_LOCK)
93 # this could be Android
94 check_library_exists(c pthread_create "" PTHREAD_IN_LIBC)
96 check_library_exists(c pthread_getspecific "" HAVE_PTHREAD_GETSPECIFIC)
97 check_library_exists(c pthread_rwlock_init "" HAVE_PTHREAD_RWLOCK_INIT)
98 check_library_exists(c pthread_mutex_lock "" HAVE_PTHREAD_MUTEX_LOCK)
101 check_library_exists(dl dlopen "" HAVE_LIBDL)
105 check_symbol_exists(arc4random "stdlib.h" HAVE_ARC4RANDOM)
106 check_symbol_exists(backtrace "execinfo.h" HAVE_BACKTRACE)
107 check_symbol_exists(getpagesize unistd.h HAVE_GETPAGESIZE)
108 check_symbol_exists(getrusage sys/resource.h HAVE_GETRUSAGE)
109 check_symbol_exists(setrlimit sys/resource.h HAVE_SETRLIMIT)
110 check_symbol_exists(isatty unistd.h HAVE_ISATTY)
111 check_symbol_exists(index strings.h HAVE_INDEX)
112 check_symbol_exists(isinf cmath HAVE_ISINF_IN_CMATH)
113 check_symbol_exists(isinf math.h HAVE_ISINF_IN_MATH_H)
114 check_symbol_exists(finite ieeefp.h HAVE_FINITE_IN_IEEEFP_H)
115 check_symbol_exists(isnan cmath HAVE_ISNAN_IN_CMATH)
116 check_symbol_exists(isnan math.h HAVE_ISNAN_IN_MATH_H)
117 check_symbol_exists(ceilf math.h HAVE_CEILF)
118 check_symbol_exists(floorf math.h HAVE_FLOORF)
119 check_symbol_exists(fmodf math.h HAVE_FMODF)
121 check_symbol_exists(longjmp setjmp.h HAVE_LONGJMP)
122 check_symbol_exists(setjmp setjmp.h HAVE_SETJMP)
123 check_symbol_exists(siglongjmp setjmp.h HAVE_SIGLONGJMP)
124 check_symbol_exists(sigsetjmp setjmp.h HAVE_SIGSETJMP)
127 check_symbol_exists(writev sys/uio.h HAVE_WRITEV)
129 check_symbol_exists(nearbyintf math.h HAVE_NEARBYINTF)
130 check_symbol_exists(mallinfo malloc.h HAVE_MALLINFO)
131 check_symbol_exists(malloc_zone_statistics malloc/malloc.h
132 HAVE_MALLOC_ZONE_STATISTICS)
133 check_symbol_exists(mkdtemp "stdlib.h;unistd.h" HAVE_MKDTEMP)
134 check_symbol_exists(mkstemp "stdlib.h;unistd.h" HAVE_MKSTEMP)
135 check_symbol_exists(mktemp "stdlib.h;unistd.h" HAVE_MKTEMP)
136 check_symbol_exists(closedir "sys/types.h;dirent.h" HAVE_CLOSEDIR)
137 check_symbol_exists(opendir "sys/types.h;dirent.h" HAVE_OPENDIR)
138 check_symbol_exists(readdir "sys/types.h;dirent.h" HAVE_READDIR)
139 check_symbol_exists(getcwd unistd.h HAVE_GETCWD)
140 check_symbol_exists(gettimeofday sys/time.h HAVE_GETTIMEOFDAY)
141 check_symbol_exists(getrlimit "sys/types.h;sys/time.h;sys/resource.h" HAVE_GETRLIMIT)
142 check_symbol_exists(posix_spawn spawn.h HAVE_POSIX_SPAWN)
143 check_symbol_exists(pread unistd.h HAVE_PREAD)
144 check_symbol_exists(rindex strings.h HAVE_RINDEX)
145 check_symbol_exists(strchr string.h HAVE_STRCHR)
146 check_symbol_exists(strcmp string.h HAVE_STRCMP)
147 check_symbol_exists(strdup string.h HAVE_STRDUP)
148 check_symbol_exists(strrchr string.h HAVE_STRRCHR)
149 check_symbol_exists(sbrk unistd.h HAVE_SBRK)
150 check_symbol_exists(srand48 stdlib.h HAVE_RAND48_SRAND48)
151 if( HAVE_RAND48_SRAND48 )
152 check_symbol_exists(lrand48 stdlib.h HAVE_RAND48_LRAND48)
153 if( HAVE_RAND48_LRAND48 )
154 check_symbol_exists(drand48 stdlib.h HAVE_RAND48_DRAND48)
155 if( HAVE_RAND48_DRAND48 )
156 set(HAVE_RAND48 1 CACHE INTERNAL "are srand48/lrand48/drand48 available?")
160 check_symbol_exists(strtoll stdlib.h HAVE_STRTOLL)
161 check_symbol_exists(strtoq stdlib.h HAVE_STRTOQ)
162 check_symbol_exists(strerror string.h HAVE_STRERROR)
163 check_symbol_exists(strerror_r string.h HAVE_STRERROR_R)
164 check_symbol_exists(strerror_s string.h HAVE_DECL_STRERROR_S)
165 check_symbol_exists(memcpy string.h HAVE_MEMCPY)
166 check_symbol_exists(memmove string.h HAVE_MEMMOVE)
167 check_symbol_exists(setenv stdlib.h HAVE_SETENV)
169 check_symbol_exists(_chsize_s io.h HAVE__CHSIZE_S)
171 check_function_exists(_alloca HAVE__ALLOCA)
172 check_function_exists(__alloca HAVE___ALLOCA)
173 check_function_exists(__chkstk HAVE___CHKSTK)
174 check_function_exists(___chkstk HAVE____CHKSTK)
176 check_function_exists(__ashldi3 HAVE___ASHLDI3)
177 check_function_exists(__ashrdi3 HAVE___ASHRDI3)
178 check_function_exists(__divdi3 HAVE___DIVDI3)
179 check_function_exists(__fixdfdi HAVE___FIXDFDI)
180 check_function_exists(__fixsfdi HAVE___FIXSFDI)
181 check_function_exists(__floatdidf HAVE___FLOATDIDF)
182 check_function_exists(__lshrdi3 HAVE___LSHRDI3)
183 check_function_exists(__moddi3 HAVE___MODDI3)
184 check_function_exists(__udivdi3 HAVE___UDIVDI3)
185 check_function_exists(__umoddi3 HAVE___UMODDI3)
187 check_function_exists(__main HAVE___MAIN)
188 check_function_exists(__cmpdi2 HAVE___CMPDI2)
191 check_symbol_exists(argz_append argz.h HAVE_ARGZ_APPEND)
192 check_symbol_exists(argz_create_sep argz.h HAVE_ARGZ_CREATE_SEP)
193 check_symbol_exists(argz_insert argz.h HAVE_ARGZ_INSERT)
194 check_symbol_exists(argz_next argz.h HAVE_ARGZ_NEXT)
195 check_symbol_exists(argz_stringify argz.h HAVE_ARGZ_STRINGIFY)
199 list(APPEND CMAKE_REQUIRED_LIBRARIES dl)
201 check_symbol_exists(dlerror dlfcn.h HAVE_DLERROR)
202 check_symbol_exists(dlopen dlfcn.h HAVE_DLOPEN)
204 list(REMOVE_ITEM CMAKE_REQUIRED_LIBRARIES dl)
208 check_symbol_exists(__GLIBC__ stdio.h LLVM_USING_GLIBC)
209 if( LLVM_USING_GLIBC )
210 add_llvm_definitions( -D_GNU_SOURCE )
214 if (HAVE_SYS_TYPES_H)
215 set(headers ${headers} "sys/types.h")
219 set(headers ${headers} "inttypes.h")
223 set(headers ${headers} "stdint.h")
226 check_type_exists(int64_t "${headers}" HAVE_INT64_T)
227 check_type_exists(uint64_t "${headers}" HAVE_UINT64_T)
228 check_type_exists(u_int64_t "${headers}" HAVE_U_INT64_T)
229 check_type_exists(error_t errno.h HAVE_ERROR_T)
231 # available programs checks
232 function(llvm_find_program name)
233 string(TOUPPER ${name} NAME)
234 string(REGEX REPLACE "\\." "_" NAME ${NAME})
235 find_program(LLVM_PATH_${NAME} ${name})
236 mark_as_advanced(LLVM_PATH_${NAME})
237 if(LLVM_PATH_${NAME})
238 set(HAVE_${NAME} 1 CACHE INTERNAL "Is ${name} available ?")
239 mark_as_advanced(HAVE_${NAME})
240 else(LLVM_PATH_${NAME})
241 set(HAVE_${NAME} "" CACHE INTERNAL "Is ${name} available ?")
242 endif(LLVM_PATH_${NAME})
245 llvm_find_program(gv)
246 llvm_find_program(circo)
247 llvm_find_program(twopi)
248 llvm_find_program(neato)
249 llvm_find_program(fdp)
250 llvm_find_program(dot)
251 llvm_find_program(dotty)
252 llvm_find_program(xdot.py)
253 llvm_find_program(Graphviz)
255 if( LLVM_ENABLE_FFI )
256 find_path(FFI_INCLUDE_PATH ffi.h PATHS ${FFI_INCLUDE_DIR})
257 if( FFI_INCLUDE_PATH )
258 set(FFI_HEADER ffi.h CACHE INTERNAL "")
259 set(HAVE_FFI_H 1 CACHE INTERNAL "")
261 find_path(FFI_INCLUDE_PATH ffi/ffi.h PATHS ${FFI_INCLUDE_DIR})
262 if( FFI_INCLUDE_PATH )
263 set(FFI_HEADER ffi/ffi.h CACHE INTERNAL "")
264 set(HAVE_FFI_FFI_H 1 CACHE INTERNAL "")
269 message(FATAL_ERROR "libffi includes are not found.")
272 find_library(FFI_LIBRARY_PATH ffi PATHS ${FFI_LIBRARY_DIR})
273 if( NOT FFI_LIBRARY_PATH )
274 message(FATAL_ERROR "libffi is not found.")
277 list(APPEND CMAKE_REQUIRED_LIBRARIES ${FFI_LIBRARY_PATH})
278 list(APPEND CMAKE_REQUIRED_INCLUDES ${FFI_INCLUDE_PATH})
279 check_symbol_exists(ffi_call ${FFI_HEADER} HAVE_FFI_CALL)
280 list(REMOVE_ITEM CMAKE_REQUIRED_INCLUDES ${FFI_INCLUDE_PATH})
281 list(REMOVE_ITEM CMAKE_REQUIRED_LIBRARIES ${FFI_LIBRARY_PATH})
283 unset(HAVE_FFI_FFI_H CACHE)
284 unset(HAVE_FFI_H CACHE)
285 unset(HAVE_FFI_CALL CACHE)
286 endif( LLVM_ENABLE_FFI )
288 # Define LLVM_HAS_ATOMICS if gcc or MSVC atomic builtins are supported.
291 if( LLVM_ENABLE_PIC )
297 find_package(LibXml2)
299 set(CLANG_HAVE_LIBXML 1)
302 include(CheckCXXCompilerFlag)
304 check_cxx_compiler_flag("-Wno-variadic-macros" SUPPORTS_NO_VARIADIC_MACROS_FLAG)
306 include(GetHostTriple)
307 get_host_triple(LLVM_HOST_TRIPLE)
309 # By default, we target the host, but this can be overridden at CMake
311 set(LLVM_HOSTTRIPLE "${LLVM_HOST_TRIPLE}")
313 # Determine the native architecture.
314 string(TOLOWER "${LLVM_TARGET_ARCH}" LLVM_NATIVE_ARCH)
315 if( LLVM_NATIVE_ARCH STREQUAL "host" )
316 string(REGEX MATCH "^[^-]*" LLVM_NATIVE_ARCH ${LLVM_HOST_TRIPLE})
319 if (LLVM_NATIVE_ARCH MATCHES "i[2-6]86")
320 set(LLVM_NATIVE_ARCH X86)
321 elseif (LLVM_NATIVE_ARCH STREQUAL "x86")
322 set(LLVM_NATIVE_ARCH X86)
323 elseif (LLVM_NATIVE_ARCH STREQUAL "amd64")
324 set(LLVM_NATIVE_ARCH X86)
325 elseif (LLVM_NATIVE_ARCH STREQUAL "x86_64")
326 set(LLVM_NATIVE_ARCH X86)
327 elseif (LLVM_NATIVE_ARCH MATCHES "sparc")
328 set(LLVM_NATIVE_ARCH Sparc)
329 elseif (LLVM_NATIVE_ARCH MATCHES "powerpc")
330 set(LLVM_NATIVE_ARCH PowerPC)
331 elseif (LLVM_NATIVE_ARCH MATCHES "arm")
332 set(LLVM_NATIVE_ARCH ARM)
333 elseif (LLVM_NATIVE_ARCH MATCHES "mips")
334 set(LLVM_NATIVE_ARCH Mips)
335 elseif (LLVM_NATIVE_ARCH MATCHES "xcore")
336 set(LLVM_NATIVE_ARCH XCore)
337 elseif (LLVM_NATIVE_ARCH MATCHES "msp430")
338 set(LLVM_NATIVE_ARCH MSP430)
339 elseif (LLVM_NATIVE_ARCH MATCHES "hexagon")
340 set(LLVM_NATIVE_ARCH Hexagon)
342 message(FATAL_ERROR "Unknown architecture ${LLVM_NATIVE_ARCH}")
345 list(FIND LLVM_TARGETS_TO_BUILD ${LLVM_NATIVE_ARCH} NATIVE_ARCH_IDX)
346 if (NATIVE_ARCH_IDX EQUAL -1)
348 "Native target ${LLVM_NATIVE_ARCH} is not selected; lli will not JIT code")
350 message(STATUS "Native target architecture is ${LLVM_NATIVE_ARCH}")
351 set(LLVM_NATIVE_TARGET LLVMInitialize${LLVM_NATIVE_ARCH}Target)
352 set(LLVM_NATIVE_TARGETINFO LLVMInitialize${LLVM_NATIVE_ARCH}TargetInfo)
353 set(LLVM_NATIVE_TARGETMC LLVMInitialize${LLVM_NATIVE_ARCH}TargetMC)
354 set(LLVM_NATIVE_ASMPRINTER LLVMInitialize${LLVM_NATIVE_ARCH}AsmPrinter)
356 # We don't have an ASM parser for all architectures yet.
357 if (EXISTS ${CMAKE_SOURCE_DIR}/lib/Target/${LLVM_NATIVE_ARCH}/AsmParser/CMakeLists.txt)
358 set(LLVM_NATIVE_ASMPARSER LLVMInitialize${LLVM_NATIVE_ARCH}AsmParser)
361 # We don't have an disassembler for all architectures yet.
362 if (EXISTS ${CMAKE_SOURCE_DIR}/lib/Target/${LLVM_NATIVE_ARCH}/Disassembler/CMakeLists.txt)
363 set(LLVM_NATIVE_DISASSEMBLER LLVMInitialize${LLVM_NATIVE_ARCH}Disassembler)
368 set(HAVE_LIBIMAGEHLP 1)
370 # TODO: Check existence of libraries.
371 # include(CheckLibraryExists)
372 # CHECK_LIBRARY_EXISTS(imagehlp ??? . HAVE_LIBIMAGEHLP)
377 set(LTDL_SHLIBPATH_VAR "PATH")
378 set(LTDL_SYSSEARCHPATH "")
379 set(LTDL_DLOPEN_DEPLIBS 1)
381 set(LTDL_OBJDIR "_libs")
383 set(strtoll "_strtoi64")
384 set(strtoull "_strtoui64")
385 set(stricmp "_stricmp")
386 set(strdup "_strdup")
388 set(LTDL_SHLIBPATH_VAR "LD_LIBRARY_PATH")
389 set(LTDL_SYSSEARCHPATH "") # TODO
390 set(LTDL_DLOPEN_DEPLIBS 0) # TODO
394 CHECK_CXX_SOURCE_COMPILES("
396 #include <imagehlp.h>
397 extern \"C\" void foo(PENUMLOADED_MODULES_CALLBACK);
398 extern \"C\" void foo(BOOL(CALLBACK*)(PCSTR,ULONG_PTR,ULONG,PVOID));
399 int main(){return 0;}"
401 if( HAVE_ELMCB_PCSTR )
402 set(WIN32_ELMCB_PCSTR "PCSTR")
404 set(WIN32_ELMCB_PCSTR "PSTR")
406 endif( PURE_WINDOWS )
408 # FIXME: Signal handler return type, currently hardcoded to 'void'
411 if( LLVM_ENABLE_THREADS )
412 # Check if threading primitives aren't supported on this platform
413 if( NOT HAVE_PTHREAD_H AND NOT WIN32 )
414 set(LLVM_ENABLE_THREADS 0)
418 if( LLVM_ENABLE_THREADS )
419 message(STATUS "Threads enabled.")
420 else( LLVM_ENABLE_THREADS )
421 message(STATUS "Threads disabled.")
424 set(LLVM_PREFIX ${CMAKE_INSTALL_PREFIX})